Finding the Fourth Proportional to 56,118.12, 77,443.83 and 30,625.80

Step by Step Solution

1. Step 1: Write the proportion equation
   56,118.12 : 77,443.83 = 30,625.80 : x
2. Step 2: Convert to fraction form
   56,118.12/77,443.83 = 30,625.80/x
3. Step 3: Cross multiply
   56,118.12x = 77,443.83 × 30,625.80
4. Step 4: Simplify right side
   56,118.12x = 2,371,779,248.81
5. Step 5: Solve for x
   x = 2,371,779,248.81/56,118.12
6. Step 6: Final answer
   x = 42,264.05